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Discussion Starter #1
Let me make this easy for those looking to lower their Challenger.

Stack’s spring design reflects our ability to develop a quality spring, increasing handling capability, giving your Challenger a very clean lowered stance, all while retaining excellent ride quality. These springs feature increased spring rates for upgraded handling capabilities and superior ride quality.

That is taken from their site and plain and simple the product is as described. Ryan designs, builds and stands by his products and he scores again with these lowering springs. You can click on the link at the bottom to read about the specs but here are some of the features:

Front Drop: 1.4"
Rear Drop: 1.3"
Front Rate: 310 lbs/in
Rear Rate: 725 lbs/in
Limited lifetime warranty
Should not require alignment – mine did not
These lowering springs are designed to work with OEM shocks only.

http://stackperformance.com/store/produ ... 54-31.html

I’m modding my Challenger from the ground up for the most part. The lowering springs are a great addition to my other suspension mods. I also have the front and rear SP Chubby Pro sways and the front SP Stiffie STB. When the time is right I’ll continue the suspension mods with the rear STB and 3rd Member X-Brace.

Nice right? It gets better for those with a budget and it is something that you won’t see in the SP website or on the forums, yet. I don’t know when but soon Ryan is going to be doing a group buy for these lowering springs. If you call him now you can get the group buy price of $264.99 and get your order in early. From my own experience and from what MBPhotos said about these lowering springs, I have a feeling they will be in demand.

Speaking of MB I was pleasantly surprised to see him when I pulled into SP Tuesday morning and as always with camera in hand. (Thanks for the photos!) He was there getting the lowering springs as an early surprise birthday present for his Dad. You really have to admire the parenting skills there! We were like two kids in a candy store checking out all the sweet rides at SP that day. We saw some fellow SCC members Challengers and a BA Torred R/T with black defender stripes.

Tim worked on my R/T like it was his own. I have no problem handing my keys to him because I know from previous experiences that my Challenger is the best hands. Thanks again Tim!

So for $264.99 and a couple hundred bucks for labor I got increased handling, nice drops in height ride height with No sacrifice in comfort. Damn! It has been a few days since the install and I still can't get the smile off my face!

I highly reccomend the SP lowering springs and here is an opprtunity to get them at a great price! :bigthumb:
 

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So, is the ride comfort with the new springs as good as the stock factory set up in the RT????

Man, your car looks great.
 

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We're glad you're happy!

Thanks for the opportunity and the trust with using our products on your vehicle. We do not take it for granted.

Car looks great!!

-SP
 

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2009 Challenger R/T
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8,919 Posts
Very nicely done and great write up SP FTW :thumbsup:
 

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Is there a 6sp kit available with shocks and springs?
 

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Premium Member
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Discussion Starter #8
Comfort - check

So, is the ride comfort with the new springs as good as the stock factory set up in the RT????

Man, your car looks great.
Thanks and so does yours! :bigthumb:

The ride is very comfortable. The springs actually makes my Challenger feel smaller and I get more of a feel for the road then I did with the stock set up. Ryan just really makes some outstanding products and the service SP provides is second to none. Plus I got in early on an upcoming group buy so the price worked for me.

Call Ryan at 714-630-5055 if you have any questions.

:burnout:
 

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Agreed with the performance and service of SP products. All around amazing stuff ;) Ryan and the crew really do put a LOT of time, thought and effort into their stuff, and it shows!

I am still surprised with how much the performance was boosted while maintaining the superb stock ride comfort. You can hardly even notice a difference (stiffness wise)
 
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